CN114849959A - Interactive fountain device - Google Patents

Interactive fountain device Download PDF

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Publication number
CN114849959A
CN114849959A CN202210400810.0A CN202210400810A CN114849959A CN 114849959 A CN114849959 A CN 114849959A CN 202210400810 A CN202210400810 A CN 202210400810A CN 114849959 A CN114849959 A CN 114849959A
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CN
China
Prior art keywords
fountain
ball head
ball
unit
rotating
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Granted
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CN202210400810.0A
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Chinese (zh)
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CN114849959B (en
Inventor
孙立伍
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Shenzhen Tianyue Waterscape Equipment Co ltd
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Shenzhen Tianyue Waterscape Equipment Co ltd
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Priority to CN202210400810.0A priority Critical patent/CN114849959B/en
Publication of CN114849959A publication Critical patent/CN114849959A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/08Fountains
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/12Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus

Abstract

The invention is suitable for the technical field of fountain, and provides an interactive fountain device, which comprises: the motion capture unit is used for capturing the motion of the tourist; the execution unit is used for generating the fountain and controlling the change of the fountain; the control unit controls the execution unit to work based on the actions of the tourists captured by the action capturing unit so as to change the fountain; an energy consumption unit for supplying energy consumption to the motion capture unit, the execution unit and the control unit, wherein the execution unit comprises: the ball head nozzle is rotationally connected to the first ball head seat to generate a fountain; the fountain pipe is communicated with the energy consumption unit and is used for introducing water with pressure to the ball head spray head; the rotating part is used for driving the ball head spray head to rotate so as to change the angle of the fountain, and the rotating part is electrically connected with the control unit; the invention improves the interactivity between the fountain and the tourists, so that the playability of the fountain is higher.

Description

Interactive fountain device
Technical Field
The invention belongs to the technical field of fountains, and particularly relates to an interactive fountain device.
Background
The fountain is spring water which is sprayed out of the ground from the ground; in particular to manual water spraying equipment. The fountain is a combination body with a specific shape which sprays water or other liquid through a nozzle under a certain pressure, and the fountain provides water pressure and is generally a water pump.
The interactive fountain is a fountain capable of interacting with tourists, and different actions are generated by identifying the behavior of the tourists to interact with the tourists, so that the ornamental interest of the tourists is increased.
Disclosure of Invention
The invention provides an interactive fountain device, aiming at solving the problem that the interactivity between the current interactive fountain and tourists is not high.
The invention is realized in this way, an interactive fountain device, comprising:
the motion capture unit is used for capturing the motion of the tourist;
the execution unit is used for generating the fountain and controlling the change of the fountain;
the control unit controls the execution unit to work based on the actions of the tourists captured by the action capturing unit so as to change the fountain;
an energy consumption unit for supplying energy consumption to the motion capture unit, the execution unit and the control unit, wherein the execution unit comprises:
the ball head nozzle is rotationally connected to the first ball head seat to generate a fountain;
the fountain pipe is communicated with the energy consumption unit and is used for introducing water with pressure to the ball head spray head;
the rotating part is used for driving the ball head spray head to rotate so as to change the angle of the fountain, and the rotating part is electrically connected with the control unit.
Preferably, the rotating portion includes:
a rotating base;
one end of the fountain pipe, which is far away from the ball head spray head, is rotationally connected to the rotating platform through a ball pin structure and is used for driving the ball head spray head to rotate;
and the rotating motor is used for driving the rotating platform to rotate.
Preferably, the first ball socket is provided with two ball sockets, and the first ball socket is provided with a ball slot, and the two first ball sockets are installed in a mirror image manner, so that the ball slot is formed in a hole shape.
Preferably, the ball pin structure includes:
the fountain pipe is fixedly connected to the ball head connecting part and communicated with the ball head connecting part;
the ball head connecting part is rotatably connected in the second ball head seat and the ball head cover, an interface is arranged on the ball head connecting part to communicate with the water supply module, and the ball head connecting part is in a cylindrical shape with an opening at one end.
Preferably, the second ball head seat is further connected with a water inlet pipe through a movable joint, and the water inlet pipe rotates on the second ball head seat through the movable joint so as to prevent the water inlet pipe from being wound.
Preferably, the movable joint comprises:
the inner joints are cylindrical, and openings are formed in two ends of each inner joint;
the outer joint is in a cylindrical shape with openings at two ends, the outer joint is sleeved outside the inner joint, and a sealing bearing is arranged between the inner joint and the outer joint so that the inner joint can rotate in the outer joint;
and the gasket is arranged in the outer joint and is positioned at the mouth part of the inner joint.
Preferably, the rotating part further includes:
a drive gear fixedly connected to an output shaft of the rotating electrical machine
And the gear ring is fixedly connected to the rotating platform, and the driving gear is meshed with the gear ring.
Preferably, the fountain apparatus further comprises:
and the position detection unit is used for measuring the rotating position of the ball head spray head.
Preferably, the position detection unit includes:
the detection gear is rotationally connected to the rotary seat and meshed with the gear ring;
and one end of the detection gear, which is close to the distance sensor, is provided with a spiral slope, and the distance sensor is used for measuring the distance between the spiral slope and the distance sensor.
Preferably, the fountain apparatus further comprises:
and the pressure regulating valve is used for regulating the pressure of water entering the ball head spray head and is electrically connected with the control unit.
Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:
the interactive fountain device provided by the invention has the advantages that the fountain can make preset actions by changing the angle of the fountain through the rotation of the spherical spray head, meanwhile, the actions of tourists are captured through the action capturing unit, the spherical spray head is controlled to rotate through the control unit, so that the fountain makes the preset actions, the interactivity between the fountain and the tourists is improved, and the playability of the fountain is higher.
The interactive fountain device provided by the invention also adjusts the height of the fountain through the pressure adjusting valve, so that the interactivity between the fountain and visitors is further improved, and the playability of the fountain is higher.
Drawings
Fig. 1 is a block diagram of an interactive fountain apparatus according to the present invention;
fig. 2 is a schematic structural diagram of an execution unit in an interactive fountain apparatus according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at I;
FIG. 4 is an enlarged view of a portion of FIG. 2 at II;
FIG. 5 is an enlarged view of a portion of FIG. 2 at III;
fig. 6 is a schematic structural view of a measuring gear in an interactive fountain device according to one embodiment of the present invention;
fig. 7 is a schematic structural view of a measuring gear in an interactive fountain apparatus according to another embodiment of the present invention;
FIG. 8 is a perspective view of the disclosed measuring gear of FIG. 7;
fig. 9 is a perspective view of a first shaft seat of an interactive fountain apparatus according to the present invention;
figure 10 is a schematic view of a rotary platform of an interactive fountain apparatus according to the present invention;
fig. 11 is a perspective view of a rotating platform in an interactive fountain apparatus.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.
An embodiment of the present invention provides an interactive fountain device, as shown in fig. 1, the fountain device includes: the device comprises a motion capture unit, a control unit, an execution unit and an energy consumption unit, wherein the energy consumption unit is used for supplying electric energy to the control unit, the execution unit and the motion capture unit so as to enable the control unit, the execution unit and the motion capture unit to work, supplying water with pressure to the execution unit so as to enable the execution unit to spray water flow to form a fountain, the motion capture unit is used for capturing the motion of a tourist and converting the motion of the tourist into an electric signal to be transmitted to the control unit, and the control unit controls the execution unit to make a preset motion based on the motion of the tourist so as to control the water flow to form a preset shape; wherein, the execution unit is provided with at least one;
in this embodiment, the motion capture unit is electrically connected to the control unit and the execution unit through wires, the control unit is electrically connected to the execution unit through wires, the energy consumption unit includes a power supply module and a water supply module, the power supply module is electrically connected to the motion capture unit, the control unit and the execution unit through wires to supply electric energy, and the water supply module is electrically connected to the execution unit through a pipeline to supply water to form a fountain;
when interacting with a tourist, the tourist makes a motion at a preset position, for example, makes a sound or makes a specific motion through the body, so that a motion capture unit can capture the motion of the user, the motion capture unit sends the motion of the tourist to a control unit through an electric signal after capturing the motion of the tourist, the control unit analyzes the motion of the tourist and retrieves a preset control motion in a database based on the motion of the tourist, the control unit sends a control command to an execution unit based on the retrieved control motion, and the execution unit controls water flow to make the preset motion;
in some examples, the motion capture unit may be a microphone for capturing the guest's voice; the device can also be an image acquisition device for capturing motion images of a user, such as a motion sensing camera; or the microphone is matched with an image acquisition device, and the device can be used for capturing motion images and sound;
the control unit is a microprocessor and is used for analyzing user actions and sending control commands;
as a preferred embodiment in this embodiment, as shown in fig. 2, the execution unit includes a ball-head nozzle 1, a fountain tube 3, and a rotation portion 4; a fountain spray head is arranged on the ball head spray head 1, the ball head spray head 1 is arranged at a preset position through a first ball head seat 2, and the ball head spray head 1 can rotate on the first ball head seat 2; one end of the fountain pipe 3 is connected with a fountain spray head on the ball head spray head 1, the fountain pipe 3 is connected with a water supply module through a water pipe, and water output by the water supply module is sprayed out from the fountain spray head on the first ball head seat 2 through the fountain pipe 3 to form a fountain; one end of the fountain pipe 3, which is far away from the ball-head nozzle 1, is rotatably connected to the rotating part 4 through a ball pin structure 5, so that the rotating part 4 drives one end of the fountain pipe 3, which is far away from the ball-head nozzle 1, to rotate around a circle center on a plane; when the fountain pipe 3 rotates, the fountain pipe 3 drives the ball head nozzle 1 to rotate in the first ball head seat 2, so that the direction of the fountain is changed, and the rotating part 4 is electrically connected with the control unit through a wire, so that the control unit can control the rotating part 4 to work;
as shown in fig. 3, the ball head nozzle 1 is of a spherical structure, a nozzle hole along the center is formed in the ball head nozzle 1, as shown in fig. 9, two first ball seat 2 are provided, and the first ball seat 2 is provided with a spherical groove 21, the two first ball seats 2 are installed in a mirror image manner, so that the spherical groove 21 forms a hole shape, and since the inner wall of the spherical groove 21 is a spherical surface, the spherical groove 21 can form a spherical hole after the two first ball seats 2 are installed in a mirror image manner, so that the ball head nozzle 1 can rotate in the first ball seat 2;
in some examples, the first ball mount 2 is further provided with a flange hole 22 for fixedly connecting the first ball mount 2 to a mounting position, and the first ball mount 2 is fixed to the mounting position by screws;
the fountain pipe 3 is a hard straight pipe, such as a galvanized iron pipe, the fountain pipe 3 is fixedly connected with the ball-head nozzle 1 through threads, and one end of the fountain pipe 3, which is far away from the ball-head nozzle 1, is fixedly connected to the ball pin structure 5 through threads;
as shown in fig. 2, as a preferred embodiment in this embodiment, the rotating part 4 includes a rotating base 41, a rotating platform 42 and a rotating motor 43, the rotating base 41 is ring-shaped, the rotating platform 42 is disc-shaped, the rotating platform 42 is rotatably connected in the rotating base 41 through a bearing, the rotating motor 43 is used for driving the rotating platform 42 to rotate, the ball pin structure 5 is eccentrically installed on the rotating platform 42, when the rotating platform 42 is driven by the rotating motor 43 to rotate, the rotating platform 42 drives the ball pin structure 5 to make a circular motion, and the ball pin structure 5 drives the ball head 1 to rotate, so as to change the angle of the fountain;
in this embodiment, the rotating portion 4 is installed on a bracket, the shape of the bracket is not limited in the embodiment of the present invention, the bracket may be a frame combination or a box structure, the rotating base 41 is fixedly connected to the bracket through a supporting rod, and the supporting rod may be fixedly connected to the bracket through welding or screw connection;
as shown in fig. 10 and 11, the rotary platform 42 has a disc shape, the rotary platform 42 is provided with a mounting hole 46, the mounting hole 46 is a counter bore for mounting the ball pin structure 5, and the rotary platform 42 is further provided with a gear journal 48 for mounting a bearing; the ball pin structure 5 is fixedly connected into the mounting hole 46 by means of bonding;
in this embodiment, the rotating portion 4 further includes a driving gear 44 and a ring gear 45, the driving gear 44 is fixedly connected to the output shaft of the rotating electrical machine 43, the ring gear 45 is fixedly connected to the rotating platform 42, the driving gear 44 and the ring gear 45 are engaged so that the rotating electrical machine 43 can drive the rotating platform 42 to rotate by the driving gear 44 and the ring gear 45, the ring gear 45 is fixedly connected to the rotating platform 42 by interference, and the driving gear 44 is fixedly connected to the output shaft of the rotating electrical machine 43 by a key shaft connection;
as shown in fig. 11, an end of the rotary platform 42 remote from the gear journal 48 is provided with a ring gear journal 47 for mounting the ring gear 45;
as a preferred embodiment in this embodiment, as shown in fig. 4, the ball pin structure 5 includes a ball head connecting portion 51, a second ball head seat 52 and a ball head cover 53, the ball head connecting portion 51 is spherical, a through hole for water to pass through is provided in the ball head connecting portion 51, the ball head connecting portion 51 is rotatably connected in the second ball head seat 52, the fountain tube 3 is fixedly connected to the ball head connecting portion 51 and the fountain tube 3 is communicated with the ball head connecting portion 51, an interface is provided on the ball head connecting portion 51 to communicate with a water supply module, the ball head connecting portion 51 is in a cylindrical shape with an opening at one end, an opening of the ball head connecting portion 51 is provided with a ring groove structure with an inner wall being a spherical surface, the ball head cover 53 is in a ring flange structure with an inner wall being a spherical surface, the ball head cover 53 is fixedly connected to an opening of the second ball head seat 52 by screws so that the second ball head seat 52 and the ball head cover 53 are fixed to the opening of the second ball head seat 52 The ball head connecting portion 51 is attachable to the ball head connecting portion 53, and the ball head connecting portion 51 is rotatable between the second ball head seat 52 and the ball head cover 53;
water enters the second ball head seat 52 through a joint on the ball head connecting part 51, enters the fountain pipe 3 through a through hole in the ball head connecting part 51, enters the ball head nozzle 1 through the fountain pipe 3, and is sprayed out from the ball head nozzle 1 to form a fountain;
as a preferred embodiment in this embodiment, a movable joint 8 is further fixedly connected to the second ball socket 52, the movable joint 8 is connected to a water inlet pipe 6, and the water inlet pipe 6 can rotate around the axis of the movable joint 8 through the movable joint 8, so as to prevent the water inlet pipe 6 from winding when the ball pin structure 5 rotates;
the movable joint 8 is a rotary joint in the prior art, and only the movable joint 8 will be briefly described here, for example, the movable joint 8 includes an inner joint 81 and an outer joint 82, the outer joint 82 and the inner joint 81 are both cylindrical with openings at both ends, the outer joint 82 is sleeved on the outer portion of the inner joint 81, a sealing bearing 84 is disposed between the inner joint 81 and the outer joint 82 so that the inner joint 81 can rotate in the outer joint 82, the outer joint 82 is fixed to a joint on the ball joint connecting portion 51 through a threaded connection, a gasket 83 is disposed between the ball joint connecting portion 51 and the inner joint 81 so as to seal the ball pin structure 5 and the inner joint 81, the movable joint 8 is fixedly connected to the inner joint 81 through an interference connection, when the ball pin structure 5 rotates along with the rotary platform 42, the inner joint 81 is rotated within the outer joint 82 to prevent the water inlet pipe 6 from being twisted;
preferably, a connector 7 is further arranged at one end of the water inlet pipe 6, which is far away from the movable joint 8, so as to connect with a water supply module, and the connector 7 is fixedly connected to the bracket;
execution unit receives when control command, rotating electrical machines 43 circular telegram is rotated, rotating electrical machines 43 drives rotating platform 42 rotates, rotating platform 42 drives ball round pin structure 5 rotates, because fountain pipe 3 fixed connection is to on the bulb connecting portion 51, when ball round pin structure 5 rotates, bulb connecting portion 51 drives circular motion is done to the tip of fountain pipe 3, this moment fountain pipe 3 drives bulb shower nozzle 1 rotates the angle in order to change the fountain to make the fountain can make multiple action.
As a further embodiment of the present invention, a pressure regulating valve 71 is further disposed on the connecting head 7, the pressure regulating valve 71 is an electromagnetic pressure control valve, and the pressure regulating valve 71 is electrically connected to the control unit to regulate the pressure of the water entering the ball head nozzle 1, so as to regulate the height of the fountain sprayed by the ball head nozzle 1.
As a further embodiment of the present invention, the fountain apparatus further includes a position detection unit 9, the position detection unit 9 is used for measuring the rotation position of the ball head spray head 1; in the present embodiment, the position detecting unit 9 is mounted on the rotary base 41 to measure the rotation angle of the rotary platform 42 to measure the position of the ball pin structure 5;
as a preferred embodiment of the present embodiment, as shown in fig. 5 and 6, the position detecting unit 9 includes a detecting gear 91 and a distance sensor 92, the detecting gear 91 is rotatably connected to the rotary base 41, the detecting gear 91 is engaged with the gear ring 45, one end of the detecting gear 91 close to the distance sensor 92 is provided with a measuring portion 94, one surface of the measuring portion 94 close to the distance sensor 92 is provided with a spiral slope, the distance sensor 92 is fixedly connected to the rotary base 41 through a sensor support 93, and the distance sensor 92 is used for measuring the distance between the distance sensor 92 and the spiral slope;
as shown in fig. 6, the measuring portion 94 is provided with a measuring portion starting point 95 and a measuring portion end point 96, the thickness of the measuring portion starting point 95 is greater than the thickness of the measuring portion starting point 95, the transition from the measuring portion starting point 95 to the measuring portion end point 96 is smooth, the distance sensor 92 is a displacement sensor, the measuring point of the distance sensor 92 is located at different positions on the measuring portion 94 when the detection gear 91 rotates, the rotation angle of the ring gear 45 is related to the rotation angle of the detection gear 91 due to the engagement of the detection gear 91 and the ring gear 45, so that the position of the ball pin structure 5 and the position of the measuring point on the distance sensor 92 have a linear relationship, and the position of the ball pin structure 5, that is, the state of the ball head 1 can be measured based on the measurement value of the distance sensor 92, namely the angle of the fountain;
as shown in fig. 7 and 8, in some examples, the measuring portion 94 may have another structure, for example, the measuring portion 94 is an annular transparent structure, the thickness change of the measuring portion 94 from one point to one circle is linear, the measuring portion 94 is embedded in the detection gear 91, the distance sensor 92 is a light ray type distance sensor, the light ray emitted from the distance sensor 92 passes through the measuring portion 94 and is reflected in the detection gear 91 to the distance sensor 92, and the change of the measurement gear 91 can be measured by measuring the thickness change of the end surface of the measuring portion 94;
as shown in fig. 8, the detection gear 91 is provided with a measuring part installation groove 97 to install the measuring part 94.
The above examples are only used to illustrate the technical solutions of the present invention, and do not limit the scope of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from these embodiments without making any creative effort, shall fall within the protection scope of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still make various combinations, additions, deletions or other modifications of the features of the embodiments of the present invention according to the situation without making any inventive effort, thereby obtaining various other technical solutions without substantially departing from the spirit of the present invention, and these technical solutions also fall within the protection scope of the present invention.

Claims (10)

1. An interactive fountain apparatus, comprising:
the motion capture unit is used for capturing the motion of the tourist;
the execution unit is used for generating the fountain and controlling the change of the fountain;
the control unit controls the execution unit to work based on the actions of the tourists captured by the action capturing unit so as to change the fountain;
an energy consumption unit for supplying energy consumption to the motion capture unit, the execution unit and the control unit, wherein the execution unit comprises:
the ball head nozzle is rotationally connected to the first ball head seat to generate a fountain;
the fountain pipe is communicated with the energy consumption unit and is used for introducing water with pressure to the ball head spray head;
the rotating part is used for driving the ball head spray head to rotate so as to change the angle of the fountain, and the rotating part is electrically connected with the control unit.
2. The interactive fountain apparatus of claim 1, wherein the rotating portion comprises:
a rotating base;
one end of the fountain pipe, which is far away from the ball head spray head, is rotationally connected to the rotating platform through a ball pin structure and is used for driving the ball head spray head to rotate;
and the rotating motor is used for driving the rotating platform to rotate.
3. The interactive fountain apparatus of claim 2, wherein the first two ball seats are provided with ball grooves, and the ball grooves are formed by mounting the two first ball seats in mirror images.
4. The interactive fountain apparatus of claim 2, wherein the ball pin structure comprises:
the fountain pipe is fixedly connected to the ball head connecting part and communicated with the ball head connecting part;
the ball head connecting part is rotatably connected in the second ball head seat and the ball head cover, an interface is arranged on the ball head connecting part to communicate with the water supply module, and the ball head connecting part is in a cylindrical shape with an opening at one end.
5. The interactive fountain apparatus of claim 4, wherein the second bulb base is further connected with a water inlet pipe through a movable joint, and the water inlet pipe is rotated on the second bulb base through the movable joint to prevent the water inlet pipe from being entangled.
6. The interactive fountain apparatus of claim 5, wherein the movable joint comprises:
the inner joints are cylindrical, and openings are formed in two ends of each inner joint;
the outer joint is in a cylindrical shape with openings at two ends, the outer joint is sleeved outside the inner joint, and a sealing bearing is arranged between the inner joint and the outer joint so that the inner joint can rotate in the outer joint;
and the gasket is arranged in the outer joint and is positioned at the mouth part of the inner joint.
7. The interactive fountain apparatus of claim 2, wherein the rotating portion further comprises:
a drive gear fixedly connected to an output shaft of the rotating electrical machine
And the gear ring is fixedly connected to the rotating platform, and the driving gear is meshed with the gear ring.
8. The interactive fountain apparatus of claim 7, wherein the fountain apparatus further comprises:
and the position detection unit is used for measuring the rotating position of the ball head spray head.
9. The interactive fountain apparatus of claim 8, wherein the position detection unit comprises:
the detection gear is rotationally connected to the rotary seat and meshed with the gear ring;
the distance sensor is used for measuring the distance between the spiral slope and the distance sensor.
10. The interactive fountain apparatus of any one of claims 1-9, wherein the fountain apparatus further comprises:
and the pressure regulating valve is used for regulating the pressure of water entering the ball head spray head and is electrically connected with the control unit.
CN202210400810.0A 2022-04-17 2022-04-17 Interactive fountain device Active CN114849959B (en)

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